3^2kali7^2kali2 bagi (42)^2

[tex] \frac{9 \times 49 \times 2}{42 \times 42} [/tex]
[tex] \frac{3 \times 7}{42} [/tex]
[tex] \frac{21}{42} [/tex]
[tex] = \frac{1}{2} [/tex]

Matematika

[tex] = {3}^{2} \times {7}^{2} \times 2 \div {42}^{2} \\ = \frac{9 \times 49 \times 2}{ {42}^{2} } \\ = \frac{882}{1764} \\ = \frac{1}{2} [/tex]